SWDEV-232428 - Push hostcall implementation to the device layer

This change unifies the hostcall implementation for all the backends,
by pushing the common logic to the device layer. This is done by
replacing the use of hsa_signal_t with device::Signal (a light wrapper
around it).

Change-Id: I7b6fca7930b5a0b199da5d85e2e048354cc04e7b

rocclr/device/rocm/rocsignal.cpp

@@ -0,0 +1,53 @@
+/* Copyright (c) 2021-present Advanced Micro Devices, Inc.
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE. */
+
+#include "rocsignal.hpp"
+
+namespace roc {
+
+Signal::~Signal() {
+  hsa_signal_destroy(signal_);
+}
+
+bool Signal::Init(uint64_t init, device::Signal::WaitState ws) {
+  hsa_status_t status = hsa_signal_create(init, 0, nullptr, &signal_);
+  if (status != HSA_STATUS_SUCCESS) {
+    return false;
+  }
+
+  ws_ = ws;
+
+  return true;
+}
+
+uint64_t Signal::Wait(uint64_t value, device::Signal::Condition c, uint64_t timeout) {
+  return hsa_signal_wait_scacquire(
+    signal_,
+    static_cast<hsa_signal_condition_t>(c),
+    value,
+    timeout,
+    static_cast<hsa_wait_state_t>(ws_));
+}
+
+void Signal::Reset(uint64_t value) {
+  hsa_signal_store_screlease(signal_, value);
+}
+
+};